Files
omath/tests/general/unit_test_projection.cpp
Orange 9e08f5bb5c Adds screen to world space conversion
Adds functionality to convert screen coordinates to world space, including handling for cases where the inverse view projection matrix is singular or when the world position is out of screen bounds.

Also exposes Camera class to unit tests.
2025-09-09 01:31:23 +03:00

22 lines
851 B
C++

//
// Created by Vlad on 27.08.2024.
//
#include <complex>
#include <gtest/gtest.h>
#include <omath/engines/source_engine/camera.hpp>
#include <omath/projection/camera.hpp>
#include <print>
TEST(UnitTestProjection, Projection)
{
constexpr auto fov = omath::Angle<float, 0.f, 180.f, omath::AngleFlags::Clamped>::from_degrees(90.f);
const auto cam = omath::source_engine::Camera({0, 0, 0}, omath::source_engine::ViewAngles{}, {1920.f, 1080.f}, fov,
0.01f, 1000.f);
const auto projected = cam.world_to_screen({1000, 0, 50.f});
const auto result = cam.screen_to_world(projected.value());
const auto result2 = cam.world_to_screen(result.value());
EXPECT_NEAR(projected->x, 960.f, 0.001f);
EXPECT_NEAR(projected->y, 504.f, 0.001f);
EXPECT_NEAR(projected->z, 1.f, 0.001f);
}